| 摘要 |
A non-rigid, steam permeable, bacteria impermeable packaging material is described. The packaging material is comprised of a non-rigid, steam resistant, bacteria impermeable sheet material having at least one opening cut through both surfaces, and having a steam permeable, bacteria impermeable membrane covering said opening and bonded to the perimeter of the sheet adjacent to the opening. This packaging material is capable of withstanding steam sterilization cycles of 132 DEG C (270 DEG F) for 15 minutes without suffering wrinkling or shrinkage that would compromise the appearance or integrity of the package or the sterility of the package contents. This packaging material can also be useful for other sterilization techniques such as ethylene oxide, radiation and ozone. Complete packages of this material are described, as are package components such as lids and trays. Package components and complete packages of the membrane material alone are also described. |
